CN205943996U - Horizontal formula oil cup circuit breaker - Google Patents

Abstract

The utility model discloses a horizontal formula oil cup circuit breaker, including the casing, be equipped with turning handle in the casing, jump the knot, hasp, contact carrier, moving contact and static contact, the accumbency has an oil cup between static contact and the turning handle, the oil cup fix in the casing to one end open -ended cavity has, closure fastening has oil cup cap on the opening of cavity, is equipped with an oil cup iron core and two springs in the cavity of oil cup, the casing in still be equipped with L shape metal sheet, the one end of L shape metal sheet is magnetism yoke end, magnetism yoke end corresponds and to be located oil cup one side, and the other end of L shape metal sheet is the armature end, the armature end correspondence is located one side of oil cup cap to form the actuation through articulated the rotation with oil cup cap when the circuit breaker is threaded off, adopt above -mentioned structure, because the utility model discloses replace original mutually independent armature and oil cup yoke with L shape metal sheet, consequently makeed the structure of circuit breaker become simpler to help improving the stability that the circuit breaker was threaded off.

Description

A kind of pressure-bearing type lubricating cup chopper

Technical field

This utility model is related to a kind of chopper.

Background technology

Due to the traditional double gold easy temperature influence of formula circuit breaker tripping, therefore existing a lot of choppers all use lubricating cup group instead Driving dropout, existing lubricating cup assembly has generally comprised lubricating cup, oil cup cap, lubricating cup yoke, coil, lubricating cup iron core, spring to part And armature, described lubricating cup has a cavity of one end open, and oil cup cap closing is fixed on the opening of lubricating cup cavity, the sky of lubricating cup It is filled with Medium Oil, spring and lubricating cup iron core are also respectively positioned in lubricating cup cavity, and one end of spring is connected to lubricating cup iron core in chamber On, the other end of spring is connected on oil cup cap, and around being located on lubricating cup outer surface, described lubricating cup yoke is located at lubricating cup one to coil Side, armature is hinged in lubricating cup yoke, and in circuit breaker tripping with oil cup cap adhesive.Due in the prior art, armature with Lubricating cup yoke is two separate parts, therefore there is complex structure, the defect such as dropout stability difference.Additionally, it is existing Equal only one of which spring in lubricating cup cavity, so when lubricating cup accumbency is installed, can lead to the movement of lubricating cup iron core to there is stress not The defect of enough balance and stabilities, thus the normal dropout to chopper impacts.

Content of the invention

For the deficiencies in the prior art, this utility model provides that a kind of structure is simpler, and dropout stability is preferably horizontal Put formula lubricating cup chopper.

For achieving the above object, this utility model provides a kind of pressure-bearing type lubricating cup chopper, includes housing, in housing It is provided with turning handle, tripping, lock, contact supporting, moving contact and static contact, described turning handle, tripping and lock all cut with scissors Connect and be fixed on housing, linked by U-shaped pin between tripping and turning handle, lock is spacing with tripping composition to abut, and contact props up Frame is connected with lock, and moving contact is fixed on contact supporting, and static contact is fixed in housing, and corresponds to positioned at moving contact one Side, accumbency between static contact and turning handle has lubricating cup, and described lubricating cup is fixed in housing, and has the sky of one end open Chamber, is filled with Medium Oil in cavity, closing on the opening of described cavity is fixed with oil cup cap, is arranged with coil, lubricating cup outside lubricating cup Cavity in be provided with a lubricating cup iron core and two springs, one of spring is clamped in the bottom of lubricating cup iron core and lubricating cup cavity Between face, another spring is clamped between lubricating cup iron core and oil cup cap, is additionally provided with a L-shaped metal plate, L in described housing The two ends angle of shape metallic plate and housing are hinged fixation, and one end of L-shaped metal plate is yoke end, and described yoke end corresponds to position In lubricating cup side, the other end of L-shaped metal plate is armature end, the corresponding side being located at oil cup cap of described armature end, and in open circuit When device is threaded off, adhesive is formed with oil cup cap by hinged rotation, in described housing, be additionally provided with the restriction hinged rotational angle of metallic plate Limited block, and described limited block and oil cup cap are located at the both sides of metallic plate armature end, limited block and metallic plate armature end respectively Between be additionally provided with extension spring, described lock is provided with the barb hooking metallic plate armature end.

The beneficial effects of the utility model are：Using said structure, because this utility model is substituted with a L-shaped metal plate Original separate armature and lubricating cup yoke, hence in so that the structure of chopper becomes simpler, and are favorably improved The stability of circuit breaker tripping.Additionally, this utility model is provided with two springs, one of spring in described lubricating cup cavity It is clamped between lubricating cup iron core and the bottom surface of lubricating cup cavity, another spring is clamped between lubricating cup iron core and oil cup cap, Hence in so that lubricating cup iron core stress when mobile is more steady, effectively guarantee the normal dropout of chopper.

This utility model can be further arranged to described lubricating cup iron core two ends end face be provided with for spring be embedded in into recessed Groove.So arrange, preferably can fix spring, prevent spring from occurring rocking when lubricating cup iron core is mobile.

Brief description

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structure chart of lubricating cup part in this utility model.

Specific embodiment

Give a kind of pressure-bearing type lubricating cup chopper as shown in Figure 1, 2, include housing 1, in housing 1, be provided with turning handle 2nd, tripping 3, lock 4, contact supporting 5, moving contact 6 and static contact 7, described turning handle 2, tripping 3 and lock 4 are all hinged solid Be scheduled on housing 1, linked by U-shaped pin 8 between tripping 3 and turning handle 2, lock 4 with tripping 3 constitute spacing abut, contact Support 5 is connected with lock 4, and moving contact 6 is fixed on contact supporting 5, and static contact 7 is fixed in housing 1, and corresponding being located at is moved Contact 6 side, accumbency between static contact 7 and turning handle 2 has lubricating cup 9, and described lubricating cup 9 is fixed in housing 1, and has one The cavity 10 of end opening, is filled with Medium Oil 11 in cavity 10, closing on the opening of described cavity 11 is fixed with oil cup cap 12, oil It is arranged with coil 13 outside cup 9, in the cavity 10 of lubricating cup 9, be provided with a lubricating cup iron core 14 and two springs 15, one of spring 15 are clamped between lubricating cup iron core 14 and the bottom surface 101 of lubricating cup cavity 10, and another spring 15 is clamped in lubricating cup iron core 14 And oil cup cap 12 between, the two ends end face of described lubricating cup iron core 14 be provided with for spring 15 be embedded in into groove 141.Described shell It is additionally provided with a L-shaped metal plate 16, the two ends angle of L-shaped metal plate 16 and housing 1 are hinged fixation, L-shaped metal plate 16 in body 1 One end be yoke end 161, described yoke end 161 is corresponding to be located at lubricating cup 9 side, and the other end of L-shaped metal plate 16 is armature end 162, the corresponding side being located at oil cup cap 12 of described armature end 162, and pass through hinged rotation and oil cup cap in circuit breaker tripping 12 formation adhesives, are additionally provided with the limited block 17 limiting the hinged rotational angle of metallic plate 16 in described housing 1, and described limited block 17 and oil cup cap 12 respectively be located at metallic plate armature end 162 both sides, be additionally provided between limited block 17 and metallic plate armature end 162 Extension spring 18, described lock 4 is provided with the barb 41 hooking metallic plate armature end 162.

Using said structure, when overload in chopper, the lubricating cup iron core 14 in lubricating cup cavity 10 will overcome spring 15 With the resistance of Medium Oil 11, move to oil cup cap 12 direction, thus sectioned coil 13 forms magnetic field, make oil cup cap 12 attract metal The hinged rotation of plate 16, until the armature end 162 on metallic plate 16 and oil cup cap 12 occur adhesive, after the hinged rotation of metallic plate 16, Pull on lock 4 to unlock with tripping 3.In this utility model, original separate due to be instead of with a L-shaped metal plate 16 Armature and lubricating cup yoke, hence in so that the structure of chopper becomes simpler, and be favorably improved the steady of circuit breaker tripping Qualitative.Additionally, this utility model is provided with two springs 15 in described lubricating cup cavity 10, one of spring 15 is clamped in Between the bottom surface 101 of lubricating cup iron core 14 and lubricating cup cavity 10, another spring 15 is clamped in lubricating cup iron core 14 and oil cup cap 12 Between, hence in so that lubricating cup iron core 14 stress when mobile is more steady, effectively guarantee the normal dropout of chopper.

Claims (2)

1. a kind of pressure-bearing type lubricating cup chopper, includes housing, be provided with housing turning handle, tripping, lock, contact supporting, Moving contact and static contact, described turning handle, tripping and lock are all hingedly fixed on housing, between tripping and turning handle Linked by U-shaped pin, lock is spacing with tripping composition to abut, and contact supporting is connected with lock, and moving contact is fixed on contact and props up On frame, static contact is fixed in housing, and corresponds to positioned at moving contact side, and accumbency between static contact and turning handle has lubricating cup, Described lubricating cup is fixed in housing, and has the cavity of one end open, is filled with Medium Oil, the opening of described cavity in cavity Upper closing is fixed with oil cup cap, be arranged with coil outside lubricating cup it is characterised in that：Be provided with the cavity of lubricating cup a lubricating cup iron core and Two springs, one of spring is clamped between lubricating cup iron core and the bottom surface of lubricating cup cavity, and another spring is clamped in Between lubricating cup iron core and oil cup cap, in described housing, it is additionally provided with a L-shaped metal plate, the two ends angle of L-shaped metal plate and shell The hinged fixation of body phase, one end of L-shaped metal plate is yoke end, and described yoke end is corresponding to be located at lubricating cup side, L-shaped metal plate another One end is armature end, the corresponding side being located at oil cup cap of described armature end, and passes through hinged rotation and oil in circuit breaker tripping Bowl cover formed adhesive, be additionally provided with described housing limit the hinged rotational angle of metallic plate limited block, and described limited block and Oil cup cap is located at the both sides of metallic plate armature end respectively, is additionally provided with extension spring between limited block and metallic plate armature end, described lock Buckle and be provided with the barb hooking metallic plate armature end.

2. a kind of pressure-bearing type lubricating cup chopper according to claim 1 it is characterised in that：The two ends end of described lubricating cup iron core Face be provided with for spring be embedded in into groove.